Without a drip edge water may end up beneath the shingles and may cause damage to various parts of the home.
Proper shingles fir aluminum patio roof.
Except for special cases the ratio of ventilation openings to insulated ceiling surface should be at least 1 300.
Traditional 3 tab shingles made with asphalt composite are the most popular type of shingle and are the most flexible in terms of adapting to many roof pitches.
The roofing materials most often used for these pitches include asphalt composite shingles.
The minimum pitch for.
Determine the minimum slope of the roof based on the roofing material.
These shingles are appropriate for pitches as low as 4 12 pitch all the way up to a 12 12.
Third to ensure adequate airflow the total area of ventilation openings required will depend on the type of roof.
Also called drip edge flashing or d metal they serve a vital function by directing water away from the fascia and into the gutter.
Using corrugated metal also allows me to reduce the degree of slope or roof pitch needed to a mere 10 percent or a 1 to 10 pitch.
The figures are based on quality materials.
Even though a patio is often hidden in the back of the house its design and roof should coordinate with the home s exterior color for a cohesive unified look.
Let s take a look at the most common types of metal roofs for houses.
Whether you are looking to install a metal roof on a shed or a house it s important to know the difference in the various types of metal roofs available.
Drip edges are metal sheets usually shaped like an l installed at the edge of the roof.
Drill holes for the expanding anchors every 16 inches or as specified by local codes insert the anchors hold the ledger in place and tap it with a hammer to indent the anchor locations on its back face.
Fastening to masonry walls.
Metal roofs generally can run from 120 to 900 per 100 square feet one 10 foot by 10 foot area or a square of material while asphalt shingles will be between 100 and 200 per 100.
Match roof material and use appropriate slope match the roofing on the covered porch with the main roof.
Anchor a ledger to a masonry wall with expanding anchor bolts begin by marking a line across the wall for the ledger s top edge.
The tables below give maximum spans for rafters and beams.
In areas with mild climates patio roofs are generally designed for loads of 30 psf pounds per square foot.
The patio s roof can make an architectural statement coordinate with the home s existing roof or be entirely different the materials used on it should correspond to the overall design and use of the patio.
An affordable option and easier to lay than shingles tin is the most commonly used type of metal roofing.
